main-typescript.ts

import * as process from 'node:process';
import {Bot, type Context as BaseContext} from 'grammy';
import {
	createBackMainMenuButtons,
	MenuMiddleware,
	MenuTemplate,
} from '../source/index.js';

// Check out https://grammy.dev/guide/context.html and Context flavours
type MyContext = BaseContext;

const menu = new MenuTemplate<MyContext>(() =>
	'Main Menu\n' + new Date().toISOString(),
);

menu.url({text: 'EdJoPaTo.de', url: 'https://edjopato.de'});

let mainMenuToggle = false;
menu.toggle('toggle me', {
	text: 'toggle me',
	set(_, newState) {
		mainMenuToggle = newState;
		// Update the menu afterwards
		return true;
	},
	isSet: () => mainMenuToggle,
});

menu.interact('interact', {
	text: 'interaction',
	hide: () => mainMenuToggle,
	async do(ctx) {
		await ctx.answerCallbackQuery({text: 'you clicked me!'});
		// Do not update the menu afterwards
		return false;
	},
});

menu.interact('update afterwards', {
	joinLastRow: true,
	text: 'update after action',
	hide: () => mainMenuToggle,
	async do(ctx) {
		await ctx.answerCallbackQuery({text: 'I will update the menu now…'});

		return true;

		// You can return true to update the same menu or use a relative path
		// For example '.' for the same menu or '..' for the parent menu
		// return '.'
	},
});

let selectedKey = 'b';
menu.select('select', {
	choices: ['A', 'B', 'C'],
	async set(ctx, key) {
		selectedKey = key;
		await ctx.answerCallbackQuery({text: `you selected ${key}`});
		return true;
	},
	isSet: (_, key) => key === selectedKey,
});

const foodMenu = new MenuTemplate<MyContext>(
	'People like food. What do they like?',
);

type FoodChoices = {
	food?: string;
	tee?: boolean;
};

const people: Record<string, FoodChoices> = {Mark: {}, Paul: {}};

const foodSelectSubmenu = new MenuTemplate<MyContext>(ctx => {
	const person = ctx.match![1]!;
	const hisChoice = people[person]!.food;
	if (!hisChoice) {
		return `${person} is still unsure what to eat.`;
	}

	return `${person} likes ${hisChoice} currently.`;
});
foodSelectSubmenu.toggle('tea', {
	text: 'Prefer tea',
	set(ctx, choice) {
		const person = ctx.match![1]!;
		people[person]!.tee = choice;
		return true;
	},
	isSet(ctx) {
		const person = ctx.match![1]!;
		return people[person]!.tee === true;
	},
});
foodSelectSubmenu.select('food', {
	choices: ['bread', 'cake', 'bananas'],
	set(ctx, key) {
		const person = ctx.match![1]!;
		people[person]!.food = key;
		return true;
	},
	isSet(ctx, key) {
		const person = ctx.match![1]!;
		return people[person]!.food === key;
	},
});
foodSelectSubmenu.manualRow(createBackMainMenuButtons());

foodMenu.chooseIntoSubmenu('person', foodSelectSubmenu, {
	columns: 2,
	choices: () => Object.keys(people),
	buttonText(_ctx, key) {
		const entry = people[key];
		if (entry?.food) {
			return `${key} (${entry.food})`;
		}

		return key;
	},
});
foodMenu.manualRow(createBackMainMenuButtons());

menu.submenu('food', foodMenu, {
	text: 'Food menu',
	hide: () => mainMenuToggle,
});

const MEDIA_OPTIONS = [
	'animation',
	'document',
	'photo1',
	'photo2',
	'video',
	'location',
	'venue',
	'just text',
] as const;
let mediaOption = 'photo1';
const mediaMenu = new MenuTemplate<MyContext>(() => {
	if (mediaOption === 'video') {
		return {
			type: 'video',
			media: 'https://telegram.org/img/t_main_Android_demo.mp4',
			text: 'Just a caption for a video',
		};
	}

	if (mediaOption === 'animation') {
		return {
			type: 'animation',
			media: 'https://telegram.org/img/t_main_Android_demo.mp4',
			text: 'Just a caption for an animation',
		};
	}

	if (mediaOption === 'photo2') {
		return {
			type: 'photo',
			media: 'https://telegram.org/img/SiteAndroid.jpg',
			text: 'Just a caption for a *photo*',
			parse_mode: 'Markdown',
		};
	}

	if (mediaOption === 'document') {
		return {
			type: 'document',
			media:
				'https://telegram.org/file/464001088/1/bI7AJLo7oX4.287931.zip/374fe3b0a59dc60005',
			text: 'Just a caption for a <b>document</b>',
			parse_mode: 'HTML',
		};
	}

	if (mediaOption === 'location') {
		return {
			// Some point with simple coordinates in Hamburg, Germany
			location: {
				latitude: 53.5,
				longitude: 10,
			},
			live_period: 60,
		};
	}

	if (mediaOption === 'venue') {
		return {
			venue: {
				location: {
					latitude: 53.5,
					longitude: 10,
				},
				title: 'simple coordinates point',
				address: 'Hamburg, Germany',
			},
		};
	}

	if (mediaOption === 'just text') {
		return {
			text: 'Just some text',
		};
	}

	return {
		type: 'photo',
		media: 'https://telegram.org/img/SiteiOs.jpg',
	};
});
mediaMenu.interact('randomButton', {
	text: 'Just a button',
	async do(ctx) {
		await ctx.answerCallbackQuery({text: 'Just a callback query answer'});
		return false;
	},
});
mediaMenu.select('type', {
	columns: 2,
	choices: MEDIA_OPTIONS,
	isSet: (_, key) => mediaOption === key,
	set(_, key) {
		mediaOption = key;
		return true;
	},
});
mediaMenu.manualRow(createBackMainMenuButtons());

menu.submenu('media', mediaMenu, {
	text: 'Media Menu',
});

const menuMiddleware = new MenuMiddleware<MyContext>('/', menu);
console.log(menuMiddleware.tree());

const bot = new Bot<MyContext>(process.env['BOT_TOKEN']!);

bot.on('callback_query:data', async (ctx, next) => {
	console.log(
		'another callbackQuery happened',
		ctx.callbackQuery.data.length,
		ctx.callbackQuery.data,
	);
	return next();
});

bot.command('start', async ctx => menuMiddleware.replyToContext(ctx));
bot.use(menuMiddleware.middleware());

bot.catch(error => {
	console.log('bot error', error);
});

await bot.start({
	onStart(botInfo) {
		console.log(new Date(), 'Bot starts as', botInfo.username);
	},
});